When you create a subject area none of the objects appear on the screen Matt Russo Updated March 07, 2018 14:46 Follow Solution: Check on auto-populate in the er_diagram that exists within the new subject area. Figure 1. Figure 2. Figure 3. Related articles Can I use a r9.64 erwin DM with a r9.7 license? I am unable to reverse engineer from a SQL server database. That gives me errors like Statement(s) could not be prepared Invalid object name SYS. table or object. I am unable to harvest a model into Web Portal - could not connect to ERwin API Could not detect erwin installation. I have already applied an API license to my machine to try to resolve this problem. r9 ERwin DM: how to create a Report Designer report with pictures in it that is similar to the old r7 RTB reports How to reverse engineer different database schemas into different subject areas in one Model file? Comments 0 comments Please sign in to leave a comment.